Yoona goes to a school where only rich kids can go. She meets Jessica, Yuri, and Taeyeon, and all of them becomes great friends. But what happens if four popular, good looking boys comes and interrupts their friendship? Will the girls stick together, or will chaos come and take over?

Girls

Yoona:

- Sweet

- Caring

- Loves to draw

Jessica:

- The prettiest among the four of them

- Always try to get things she wants (if she can)

- The most popular among the four of them

Yuri:

- Sensitive

- Cute

- Loves to cook for people she loves

Taeyeon:

- Mature

- Doesn't care about love

- Tries to smile every time

Boys

Donghae:

- Funny

- Gets angry easily

- Loves to play soccer

Ryeowook:

- Also loves to play soccer

- Likes to compose music on his guitar

- Troublemakers

Heechul:

- Likes to doodle and make comics for little kids

- Likes to eat

- Makes bad jokes

Leeteuk:

- Responsible

- Smart

- Very shy